<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./js/vue.js"></script>
</head>

<body>

    <div></div>


    <script>
        let app = Vue.createApp({
            template: `
        <button @click=add>点我+1：{{count}}</button>
            `,
            data() {
                return {
                    count: 0
                }
            },
            methods: {
                add() {
                    this.count++
                }
            }

        })

        app.mount('div')

    </script>
</body>

</html>